Pétionville Weather in September
September in Pétionville sees daytime temperatures around 30°C (86°F) and lows of 21°C (70°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Pétionville in September
Pétionville is in the rainy season in September, with rain on around 15 days and an average of 227 mm (8.9 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Pétionville in September
In September, Pétionville gets high temperatures, with highs of 30°C (86°F). Nights cool to around 21°C (70°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Pétionville in September
Expect a lot of sunshine this month, with about 246 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.
Average water temperature in September
At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.September in Pétionville has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Haiti, check out our Pétionville's climate page.
Pétionville Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
49%
Precipitation
227 mm (8.9 in)
Rainy days
15 days
Humidity
54% *
Sunshine
246 hours *
Percentage Sunshine
*
Historical weather for Pétionville in September
Browse day-by-day weather records for Pétionville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pétionville historical weather extremes in September
Based on 20 years of weather observations in Pétionville between 2005 and 2025, these are the recorded extremes.
- Pétionville recorded its highest September temperature of 37°C (99°F) on September 15, 2025.
- The coldest September day was on September 2, 2008, with a maximum of 24°C (75°F).
- Pétionville registered its coldest September night on September 8, 2007, with temperatures dropping to 20°C (68°F).
Best Places in Haiti in September
Find out more about the weather in Haiti and which places have the best travel conditions in this month. See all of Haiti in September →
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What to Wear in Pétionville in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Pétionville in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Haiti, check out our Pétionville's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Pétionville climate overview or explore weather in Haiti.
